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Kourtney Kardashian flew back to L.A. for North West's Kidchella birthday bash ... and we're told she left Scott Disick behind to teach him a lesson ... but it didn't work.

Disick didn't stew over the snub -- he had a belated birthday party at 1Oak in the Hamptons where he sprayed champagne on fellow partygoers.

We're told Kourtney believed Scott would feel the burn ... especially since North's party was thrown in Scott and Kourtney's backyard. The tension revolves around Scott's propensity for partying and leaving the family in the dust.

Kourtney gave Scott's plane ticket to a nanny ... again, a not-so-subtle insult that seemed lost on Scott.

It's good to be daughter of the President of the United States -- TMZ has confirmed Sasha Obama got to visit the set of "Pretty Little Liars" ... and she didn't even have to fetch coffee!

According to our sources, 13-year-old Sasha (and one lucky friend) hit up the "PLL" set on Thursday ... and hobnobbed with the entire cast.

As we reported, Malia Obama got a week-long gig as a production assistant on Halle Berry's new CBS show "Extant."

So, Malia worked for one week -- while Sasha got to be a fan girl ... without manual labor.

Three people were arrested Sunday outside Taylor Swift's Rhode Island palace after they allegedly threw beer bottles and screamed, "f*** you" to her security guards ... and shocker -- alcohol was involved.

Swift was not home at the time of the incident.

Two guys and a woman -- all in their 20s -- were charged with disorderly conduct after they hurled beer bottles onto Swift's property, gave guards the middle finger and then cussed them out.

We spoke with Tristan Kading -- one of the 3 people arrested. He says they harbored no ill will toward Swift. They were just drinking and it got out of hand.

Kading also tells us ... they were not flipping off anyone ... they were simply throwing up the peace sign like Taylor does in her "22" music video.

The Fulton County District Attorney’s office is NOT getting a rose from "Bachelorette" Andi Dorfman ... because TMZ has learned she has decided not to go back to the job.

As TMZ first reported, Fulton County D.A. Paul Howard Jr. allowed Dorfman to take an unpaid leave to do the show ... as long as she was back by May 31.

The Fulton County D.A.'s office tells TMZ ... Andi did not want to ask for an extension on her leave, so she decided to resign instead. The D.A.'s office had nothing but good things to say about her ... even going as far as saying they would be open to re-hiring her if the opportunity arises.

Legendary DJ Casey Kasem will live out his final days this week surrounded by his children ... who have made the decision to withhold medication, food and fluids.

The judge in Casey's conservatorship case just reversed a ruling which required doctors to keep him alive with nourishment and meds.

The 82-year-old is currently in a Washington hospice facility.

Casey's kids tell TMZ ... their dad's health directive document states, "If the extension of my life would result in mere biological existence, devoid of cognitive function, with no reasonable hope for normal functioning, then I do not desire any form of life-sustaining procedures, including nutrition and hydration."

Casey's wife Jean was in court and furious over the judge's decision, storming out and screaming that the kids will have Casey's blood on their hands.

President Obama was so heavily guarded by an elite Secret Service team as he left a Virginia burger joint ... even his doggie bag got protection.

Check out our video of POTUS and Education Secretary Arne Duncan and others as they surprised diners Tuesday afternoon at FireFlies in Alexandria, VA.

The Prez ordered the American Way Burger with cheese, lettuce, tomato and mustard ... and fries and a side salad. Total bill -- $73 ... Obama left a $50 tip.

The guy who played "Drop Dead Fred" in the 90s cult classic film passed away at home in England this morning ... and, so far, the cause of death is a mystery to his family.

Rik Mayall -- a huge comedic star in the U.K. -- was at home with family members when he died this morning ... but his rep says they're all puzzled about why it happened.

We're told the actor -- who was only 56 -- was not ill ... but his rep added they don't suspect foul play.

"Drop Dead Fred" was bashed by critics, but still became a financial success. Mayall was never able to score a second hit in the U.S. -- even though he's a big deal across the pond. He starred in several successful sitcoms there.

Mayall was married with 3 children.

Columbus Short is going back in front of the camera -- instead of appearing in front of a judge -- starring in a new romantic comedy ... and TMZ has a photo from the set.

Short is shooting the movie, "Mr. Right" in Atlanta and took this pic with a couple of his co-stars. The film also stars Erica Tazel from "Justified" (awesome show).

Comedian Mike Epps allegedly took part in beating down a comic in Atlanta who reportedly cracked a few jokes mocking the Kevin Hart/Epps "feud" ... TMZ has learned.

Atlanta Police is investigating an alleged fight that went down Saturday night at the Uptown Comedy Corner. The alleged victim, Lavar Walker, told police someone told him that Epps was waiting outside the club to speak to him.

When Walker got outside, he told police he was struck in the face by Epps ... and then attacked by Epps and two other men. Walker was transported to a nearby hospital for treatment (see his injuries below).

A rep for the Atlanta PD tells TMZ ... thus far, no arrest warrants have been issued.

We reached out to a rep for Epps for comment ... so far, no word back.

TV legend Ann B. Davis who played Alice on "The Brady Bunch" has died ... TMZ has learned.

According to the couple she lived with in Texas ... Ann fell in her bathroom early this morning and hit her head causing grave damage. We're told she never regained consciousness.

Her roommate says Davis had been pretty healthy for an 88-year old woman -- and her death was a total shock. In fact, she even walked downstairs to say goodnight before going to bed.

Davis played the housekeeper Alice Nelson for the entire original run of "The Brady Bunch" from 1969 to 1974. She also filled the role for countless other TV movies and reunions. She last played Alice for 5 episodes of "The Bradys" in 1990.

We're told Ann was very close to some members of the church she attended in Texas -- and they are currently planning funeral arrangements.

Shelly Sterling will sign a deal Thursday night to sell the L.A. Clippers to former Microsoft CEO Steve Ballmer ... for $2 billion ... sources familiar with the negotiations tell TMZ Sports.

Contrary to various reports ... the deal has not be signed, but in the last 2 hours Ballmer and Shelly have made "an agreement in principle."

We're told lawyers for both sides are currently hammering out details, and they expect the parties will sign on the dotted line before midnight Pacific Time

One Direction is gunning for the person they say stole a private video showing Zayn Malik and Louis Tomlinson smoking weed.

The video, which appears on MailOnline, shows the guys enjoying a joint while riding around in an SUV while in Peru.

At one point in the video -- shot earlier this year -- Louis is seen passing Zayn the joint and saying, "One very very important factor of Zayn’s warm up of course is Mary J, herself."

A rep for the band tells TMZ the video was stolen and that the band's lawyers are investigating.

"Snake Salvation" pastor Cody Coots suffered a gnarly snakebite -- just like his preacher father who died from a rattler's bite -- but Coots' wife tells TMZ her husband survived by the grace of God.

The venomous canebrake rattler sank its fangs into Coots' finger on Monday as he was taking the snake out of a cage in his Middlesboro, KY church.

Cody's wife Brittany tells us ... her husband's hand swelled up pretty badly, but he refused to get medical treatment. She says the pain went away by Tuesday, and he seems to be fine now.

When Coots' father Jamie was bitten while preaching back in February he also refused treatment ... and died.

Brittany calls Cody's incident a miracle, telling us ... "Jesus saved Cody. The Lord spared his life."

T.I. never intended to get into a fight with Floyd Mayweather Sunday night in Las Vegas ... sources close to the rapper tell TMZ -- but Tip was definitely pissed about Money possibly getting close to his wife.

Tameka "Tiny" Cottle didn't appear to be near the fight last night -- but she was in Vegas -- and hours before posted a picture on Instagram while hanging out with Floyd's daughter ... calling the young girl her "new boo."

We're told T.I. was upset about the photo -- and others she posted -- and felt it was disrespectful to him ... so he planned to confront Floyd in person.

Once they got face-to-face though, T.I. flipped out when Floyd said "control your bitch" and started swinging outside Fatburger.

Rob Kardashian left Florence, Italy BEFORE his sister Kim got married to Kanye West ... and we're told it's because some major family drama went down.

Rob booked a flight from Florence to L.A late last night in a hurry ... and we're told he was in tears while desperately trying to secure a seat.

It's unclear what caused the Kardashian family beef -- but it had to be bad -- considering he missed out on not only his sisters wedding ... but one of the biggest celebrity events of the year.

We just shot Rob leaving LAX and he was clearly not in a talking mood.

The horrific massacre at UCSB Friday night -- in which 6 people were shot dead -- seemed to be triggered by a maniac who was angry at women because they would not have sex with him ... and TMZ has learned shooter has a connection to "Hunger Games."

22-year-old Elliot Rodger posted a YouTube video hours before he unleashed his violence on the streets of Isla Vista -- the UCSB community. We've learned Rodger is the son of Peter Rodger, the second unit director of the first installment of "Hunger Games."

Elliot Rodger was killed as he engaged Sheriff's deputies who responded to the scene. He died from a gunshot wound to the head, although it's unclear if it was self-inflicted.

In the video you hear Rodger's fury at the women who did not find him attractive and you hear his resolve at getting revenge.

According to reports ... a lawyer for Peter Rodger says the director contacted police several weeks ago about YouTube clips his son had uploaded in regards to "suicide and killing people."

The Associated Press says the lawyer claims police interviewed Elliot and found him to be a "perfectly polite, kind and wonderful human."

"My client's mission in life will be to try to prevent any such tragedies from ever happening again," the lawyer said. Adding, "This country, this world, needs to address mental illness and the ramifications from not recognizing these illnesses."